How to pass data from JavaScript to JavaFX

Question

In my JavaFX application, I have a WebView to load HTML contents. Is there a way to pass Javascript variables and manipulate it in JavaFX App. Let's say I have a variable FULLNAME in Javascript and I want to display it in a TextField in JavaFX. Is it possible? Can you give an example.

Evan Knowles · Accepted Answer · 2015-05-22 06:46:00Z

2

It is possible - assuming your webview is in a webView variable, and you want your FULLNAME variable loaded into fullNameField, try executing this on the Java side:

String fullName = (String) webview1.getEngine().executeScript("FULLNAME;");
fullNameField.setText(fullName);

edited May 22, 2015 at 6:46

answered May 22, 2015 at 6:18

Evan Knowles

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6 Comments

Ethyl Casin Over a year ago

Wow! Just that simple?

Evan Knowles Over a year ago

Yep - check here for more: blogs.oracle.com/javafx/entry/…

Uluk Biy Over a year ago

The code should be run after the webengine is completed loading the html. Namely when the state is SUCCESSED.

Ethyl Casin Over a year ago

@Evan Knowles, Sir, is it possible to add a changelistener so that if the javascript variable will change the javafx variable also changes. I mean if FULLNAME will change , the Javafx TextField will also change? Is it possible?

Eric Duminil Over a year ago

@UlukBiy: State.SUCCEEDED

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